013
FZUS52 KCHS 110509
CWFCHS

Coastal Waters Forecast
National Weather Service Charleston SC
1209 AM EST Tue Nov 11 2025

South Santee River SC to Savannah GA out 20 NM and Savannah GA to
Altamaha Sound GA out 60 NM, including Charleston Harbor and
Grays Reef National Marine Sanctuary

AMZ300-111800-
1209 AM EST Tue Nov 11 2025

.Synopsis for the coastal waters of south coastal South Carolina
and north coastal Georgia...
An abnormal cold and dry airmass will continue to build into the
region overnight. Expect cold and breezy conditons on Tuesday,
before temperatures warm back up on Wednesday and through the
rest of the week.

$$

AMZ330-111800-
Charleston Harbor-
1209 AM EST Tue Nov 11 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM EST EARLY THIS
MORNING...

.REST OF TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt.
Waves 1 to 2 ft.
.TUE...W winds 10 to 15 kt.
.TUE NIGHT...W winds 5 to 10 kt.
.WED...W winds 10 to 15 kt.
.WED NIGHT...W winds 5 to 10 kt.
.THU...NW winds 5 kt.
.THU NIGHT...NW winds 5 kt.
.FRI...E winds 5 kt.
.FRI NIGHT...SW winds 5 kt.
.SAT...W winds 5 kt.
.SAT NIGHT...SW winds 5 kt.

Unless otherwise noted, waves 1 foot or less.

Charleston Harbor water temperature 64 degrees.

$$

AMZ350-111800-
Waters from South Santee River to Edisto Beach SC out 20 NM-
1209 AM EST Tue Nov 11 2025

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

.REST OF TONIGHT...NW winds 25 to 30 kt. Seas 5 to 7 ft. Wave
Detail: NW 7 ft at 6 seconds and SE 1 foot at 10 seconds.
.TUE...NW winds 20 to 25 kt with gusts to 30 kt, becoming W 10 to
15 kt with gusts to 20 kt in the afternoon. Seas 4 to 5 ft,
subsiding to 2 to 3 ft in the afternoon. Wave Detail: NW 5 ft at
5 seconds and SE 1 foot at 10 seconds, becoming NW 3 ft at
5 seconds and SE 1 foot at 10 seconds.
.TUE NIGHT...W winds 10 to 15 kt, increasing to 15 to 20 kt after
midnight. Seas 2 to 3 ft. Wave Detail: W 3 ft at 4 seconds.
.WED...W winds 15 to 20 kt with gusts to 25 kt. Seas 2 to 3 ft,
building to 3 to 4 ft in the afternoon. Wave Detail: SW 3 ft at
4 seconds and SE 1 foot at 10 seconds, becoming SW 4 ft at
5 seconds and SE 1 foot at 9 seconds.
.WED NIGHT...W winds 15 to 20 kt, becoming NW 10 to 15 kt after
midnight. Seas 3 to 4 ft. Wave Detail: SW 4 ft at 5 seconds and
SE 1 foot at 9 seconds.
.THU...NW winds 5 to 10 kt, diminishing to 5 kt in the afternoon.
Seas 2 to 3 ft. Wave Detail: W 2 ft at 5 seconds and SE 1 foot at
9 seconds.
.THU NIGHT...N winds 5 kt. Seas 2 ft in the evening, then 1 foot
or less.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 2 ft.
.SAT...W winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

$$

AMZ352-111800-
Waters from Edisto Beach SC to Savannah GA out 20 NM-
1209 AM EST Tue Nov 11 2025

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

.REST OF TONIGHT...NW winds 25 to 30 kt, diminishing to 20 to
25 kt late. Seas 5 to 7 ft. Wave Detail: NW 6 ft at 5 seconds and
SE 1 foot at 10 seconds.
.TUE...NW winds 15 to 20 kt, diminishing to 10 to 15 kt in the
afternoon. Seas 3 to 4 ft, subsiding to 2 to 3 ft in the
afternoon. Wave Detail: NW 4 ft at 5 seconds and SE 1 foot at
10 seconds, becoming NW 3 ft at 4 seconds and SE 1 foot at
10 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W 2 ft
at 3 seconds.
.WED...W winds 15 kt with gusts to 20 kt. Seas 2 to 3 ft. Wave
Detail: SW 3 ft at 4 seconds.
.WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Seas 2 to
3 ft. Wave Detail: SW 3 ft at 4 seconds and SE 1 foot at
9 seconds.
.THU...NW winds 5 to 10 kt. Seas 2 ft. Wave Detail: NW 2 ft at
4 seconds and SE 1 foot at 9 seconds.
.THU NIGHT...Variable winds 5 kt. Seas 1 foot or less.
.FRI...NE winds 5 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 kt. Seas 2 ft.
.SAT...W winds 5 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 ft.

$$

AMZ354-111800-
Waters from Savannah GA to Altamaha Sound GA out 20 NM, including
Grays Reef National Marine Sanctuary-
1209 AM EST Tue Nov 11 2025

...GALE WARNING IN EFFECT UNTIL 6 AM EST EARLY THIS MORNING...

.REST OF TONIGHT...NW winds 25 to 30 kt, diminishing to 20 to
25 kt late. Seas 4 to 6 ft. Wave Detail: NW 6 ft at 5 seconds and
E 1 foot at 10 seconds.
.TUE...NW winds 15 to 20 kt with gusts to 25 kt, diminishing to
10 to 15 kt in the afternoon. Seas 3 to 4 ft, subsiding to 2 to
3 ft in the afternoon. Wave Detail: N 4 ft at 4 seconds and E
1 foot at 10 seconds, becoming N 2 ft at 4 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W 2 ft
at 3 seconds and N 1 foot at 4 seconds.
.WED...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: W 2 ft at
3 seconds and SE 1 foot at 9 seconds.
.WED NIGHT...W winds 10 to 15 kt. Seas 2 ft. Wave Detail: SW 2 ft
at 4 seconds and SE 1 foot at 9 seconds.
.THU...NW winds 5 to 10 kt. Seas 2 ft. Wave Detail: NW 2 ft at
3 seconds and SE 1 foot at 9 seconds.
.THU NIGHT...S winds 5 kt, becoming N after midnight. Seas 1 foot
or less.
.FRI...NE winds 5 kt. Seas 1 foot or less.
.FRI NIGHT...SW winds 5 kt. Seas 2 ft.
.SAT...NW winds 5 kt. Seas 2 ft.
.SAT NIGHT...S winds 5 to 10 kt. Seas 2 ft.

$$

AMZ374-111800-
Waters from Savannah GA to Altamaha Sound GA from 20 to 60 NM-
1209 AM EST Tue Nov 11 2025

...GALE WARNING IN EFFECT UNTIL 10 AM EST THIS MORNING...

.REST OF TONIGHT...NW winds 25 to 30 kt with gusts to 40 kt. Seas
7 to 9 ft. Wave Detail: NW 9 ft at 6 seconds and E 1 foot at
10 seconds.
.TUE...NW winds 20 to 25 kt with gusts to 30 kt, diminishing to
15 to 20 kt in the afternoon. Seas 5 to 7 ft, subsiding to 3 to
4 ft in the afternoon. Wave Detail: NW 7 ft at 6 seconds and E
1 foot at 10 seconds, becoming NW 4 ft at 5 seconds and E 1 foot
at 10 seconds.
.TUE NIGHT...W winds 10 to 15 kt. Seas 2 to 3 ft. Wave Detail: NW
3 ft at 5 seconds and SE 1 foot at 10 seconds.
.WED...W winds 10 to 15 kt with gusts to 20 kt. Seas 2 to 3 ft.
Wave Detail: W 3 ft at 4 seconds and SE 1 foot at 10 seconds.
.WED NIGHT...W winds 15 to 20 kt. Seas 3 to 4 ft. Wave Detail: W
3 ft at 4 seconds and SE 1 foot at 9 seconds.
.THU...NW winds 10 to 15 kt with gusts to 20 kt, diminishing to
5 to 10 kt in the afternoon. Seas 2 to 3 ft. Wave Detail: W 3 ft
at 4 seconds and SE 1 foot at 9 seconds.
.THU NIGHT...N winds 5 kt. Seas 2 ft.
.FRI...NE winds 5 kt. Seas 2 ft.
.FRI NIGHT...SW winds 5 to 10 kt. Seas 2 ft.
.SAT...NW winds 5 to 10 kt. Seas 2 ft.
.SAT NIGHT...SW winds 5 to 10 kt. Seas 2 to 3 ft.

$$